1.

A cube is painted blue on all faces. It is cut into 125 smaller cubes of equal size. How many cubes are painted on one face only?

Answer»

8
16
36
54

Solution :The number of SMALL CUBES = 125 = `5^(3)`.
Take X = 5 and x = 1.
Such cubes are `6(X/x-2)^(2)=6xx9=54`.


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